| SCOVILLE | Pharmacist who devised a scale based on the measurement of the pungency or spiciness of chillies (8) |
| HEAT | Thermal energy transferred by conduction, convection or radiation; or, the spiciness of chillies, horseradish or mustard, e.g. (4) |
| CHILLI | Pod of a variety of capsicum with "heat" or spiciness measured according to the Scoville scale (6) |
| CELSIUS | Unit of temperature measurement that uses a scale based on 0degrees for the freezing point of water and 100degrees for the boiling point of water. Also called centigrade. (7) |
| PIQUANCY | Spiciness of quip can upset many, ultimately (8) |
| MILD | Like the spiciness of cherry peppers |
| BEAUFORT | Francis -, British rear admiral who devised a scale of wind velocities in 1805 (8) |
| DIATONIC | Of a musical scale, based on an octave containing five whole tones and two separated semitones (8) |
| HOROLOGY | Art of making clocks/watches; or, the study of the measurement of time (8) |
| DIOPTRES | Units of measurement of the power of a lens (8) |
| DRUGGIST | The pharmacist who dug grist out of it (8) |
| GEOMETRY | Branch of mathematics concerned with the measurement of points, curves, lines and surfaces (8) |
| POLLENCOUNT | Often quoted on weather forecasts, this is the measurement of the number of grains discharged from the male part of a flower, per cubic metre of air (6,5) |
| GEODESY | The branch of science that deals with the measurement of the size and shape of the Earth (7) |
| ULTRAHOT | 11/10 on the spiciness scale |
| BESSEL | Who performed the first accurate measurement of the distance to a star and predicted the existence of Neptune (6) |
| SIZE | The measurement of the PSI zenith (4) |
| CAPSIZE | Overturn the measurement of the bonnet, we hear (7) |
| LENGTH | Distance swum in a swimming pool from one side to the other; or, in racing, the measurement of elapsed time as the horses cross the line (6) |
| KIPP | Dutch chemist/pharmacist who invented an elaborate piece of laboratory glassware for the development of gases, such as carbon dioxide or hydrogen sulphide (4) |
